Ranging device of laser welding machine

Abstract

The utility model relates to the technical field of laser welding machines, in particular to a laser welding machine distance measuring device which comprises a main body frame and a second sliding block, the second sliding block is connected in the main body frame in a sliding mode, and a clamping mechanism is arranged in the main body frame. A first motor drives a double-end stud to rotate, the double-end stud drives two threaded blocks to move, a first sliding block and a sliding rod play a role in guiding movement of the threaded blocks, the threaded blocks drive a vertical plate to move, the vertical plate drives clamping blocks to move, the two clamping blocks are attached to the outer wall of a workpiece to clamp and position the workpiece, and a second motor is started; the second motor drives the clamping block on the right side to rotate, then the workpiece is driven to rotate, other surfaces, needing to be welded, of the workpiece face the laser welding gun, the other surfaces, needing to be welded, of the workpiece are welded through the laser welding gun, operation is easy, and different surfaces of the workpiece can be welded conveniently; and the use performance of the distance measuring device of the laser welding machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding machine technical field, concretely is a kind of laser welding machine ranging device. BACKGROUND

[0002] Laser welding is the local heating in small area to material by high-energy laser pulse, and the energy of laser radiation spreads to the interior of material by heat conduction, and specific molten pool is formed after material is melted.

[0003] For example, the laser welding machine ranging device with the authorization announcement No.CN222020902U includes an operation table, a fixed component is slidably installed on the top of the operation table through a three-axis moving assembly, the fixed component includes a sliding plate slidably connected to one side of the three-axis moving assembly, and a clamping unit for clamping is fixedly installed on the right side of the sliding plate. The above document still has deficiencies. When in use, the ranging device can be fixed on the three-axis moving assembly by the clamping ring in the clamping unit cooperating with the threaded rod, which makes the laser welding gun not only be used as a table type welding machine, but also be used as a handheld laser welding machine. When facing relatively complex welding workpieces, this design can greatly reduce the process steps required for workpiece processing. However, the device in the above document can only weld the single surface of the workpiece. When other surfaces of the workpiece need to be welded, the workpiece needs to be re-clamped and fixed, which is relatively troublesome and inconvenient for welding different surfaces of the workpiece, thereby reducing the use performance of the laser welding machine ranging device. In addition, the inclination angle of the laser welding gun is fixed when welding the workpiece, which is inconvenient for adjusting the inclination angle of the laser welding gun according to the actual welding requirements. SUMMARY

[0004] The utility model aims at solving the problem that it is inconvenient to weld different surfaces of a workpiece, and provides a laser welding machine ranging device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A laser welding machine ranging device is designed, which includes a main body frame and a second sliding block. The inside of the main body frame is slidably connected to the second sliding block. The inside of the main body frame is provided with a clamping mechanism. The lower part of the second sliding block is fixedly connected to a second support. The inside of the second support is slidably connected to a third sliding block. The lower part of the third sliding block is fixedly connected to a support plate. The lower part of the support plate is provided with an adjusting mechanism. The inside of the main body frame is fixedly connected to a first electric push rod. The output end of the first electric push rod is fixedly connected to the second sliding block.

[0007] Preferably, the clamping mechanism comprises a first motor fixed to the outer wall of the main frame, the output shaft of the first motor is fixedly connected with a stud, the outer wall of the two ends of the stud is rotatably connected with the main frame through a bearing, the outer wall of the stud is threadedly connected with two threaded blocks, the lower side of the threaded block is fixedly connected with a first sliding block, the first sliding block is slidably connected with the outer wall of the slide rod, the two ends of the slide rod are fixedly connected with the main frame, the upper side of the threaded block is fixedly connected with a vertical plate, the inner side of the vertical plate is rotatably connected with a clamping block through a bearing, the right clamping block is fixedly connected with the output shaft of a second motor, and the second motor is fixed to the outer wall of the right vertical plate.

[0008] Preferably, the adjusting mechanism comprises two semicircular blocks, both of which are fixed to the lower surface of the support plate, and the outer walls of both of which are slidably connected with a first support, the inner part of the first support is rotatably connected with a worm through a bearing, the end of the worm is fixedly connected with a rotating wheel, the worm is meshingly connected with a worm wheel, the front and rear surfaces of the worm wheel are fixedly connected with semicircular blocks, the worm wheel is fixed to the lower surface of the support plate, and the outer wall of the first support is fixedly connected with a fourth sliding block.

[0009] Preferably, the inner part of the second support is fixedly connected with a second electric push rod, and the output end of the second electric push rod is fixedly connected with a third sliding block.

[0010] Preferably, the lower side of the first support is fixedly connected with a third electric push rod, and the output end of the third electric push rod is fixedly connected with a laser welding gun.

[0011] Preferably, the outer wall of the laser welding gun is fixedly connected with a laser height finder.

[0012] Preferably, the outer wall of the laser welding gun is fixedly connected with a laser height finder.

[0013] Preferably, the outer wall of the laser welding gun is fixedly connected with a laser height finder.

[0014] The utility model provides a kind of laser welding machine ranging device, beneficial effect lies in: the cooperation between first motor, stud bolt, threaded block, first slider, slide bar, vertical plate, clamping plate and second motor, first motor drives stud bolt to rotate, stud bolt drives two threaded blocks to move, first slider and slide bar play the guiding effect to the movement of threaded block, threaded block drives vertical plate to move, vertical plate drives clamping block to move, two clamping blocks are attached to the outer wall of workpiece and are clamped and positioned to workpiece, start second motor, second motor drives the clamping block of right side to rotate, to drive workpiece to rotate in turn, the surface of workpiece other need to be welded is faced to laser welding gun, welding is carried out to the surface of workpiece other need to be welded by laser welding gun, it is relatively simple to operate, it is convenient to weld the different surface of workpiece, to improve the use performance of laser welding machine ranging device in turn.

[0015] The cooperation between semicircular block, first support, worm, runner, half worm and fourth slider, runner drives worm to rotate, worm drives half worm, the position of half worm is fixed, worm rotates around the outer wall of half worm when rotating, worm drives first support to move, first support rotates on the outer wall of semicircular block, first support cannot be separated from semicircular block under the action of fourth slider, first support drives third electric push rod to move, to drive laser welding gun to move, the inclination angle of laser welding gun is adjusted, laser welding gun is adjusted to the inclination angle required after stopping rotating runner, it is convenient to adjust the inclination angle of laser welding gun according to actual welding demand. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic drawing of the utility model;

[0017] Figure 2 It is the structure sectional view of the utility model;

[0018] Figure 3 It is the structure schematic drawing of vertical plate, clamping block and second motor connection in the utility model;

[0019] Figure 4 It is the structure schematic drawing of semicircular block, first support and support plate connection in the utility model;

[0020] Figure 5 It is the structure schematic drawing of semicircular block, first support and worm connection in the utility model;

[0021] Figure 6 It is the structure schematic drawing of threaded block, first slider and slide bar connection in the utility model;

[0022] Figure 7 It is the structure schematic drawing of third slider, support plate and first electric push rod connection in the utility model.

[0023] In the figure: 1, main body frame, 2, second slider, 3, clamping mechanism, 301, first motor, 302, double-headed stud, 303, threaded block, 304, first slider, 305, sliding rod, 306, vertical plate, 307, clamping block, 308, second motor, 4, adjusting mechanism, 401, semicircular block, 402, first support, 403, worm, 404, rotating wheel, 405, half worm, 406, fourth slider, 5, second support, 6, third slider, 7, support plate, 8, first electric push rod, 9, second electric push rod, 10, third electric push rod, 11, laser welding gun, 12, laser height finder, 13, smoke exhaust equipment, 14, pipeline, 15, feeding head, 16, fourth electric push rod. DETAILED DESCRIPTION

[0024] The utility model will be further described below with reference to the drawings:

[0025] Refer to the drawings Figures 1-7 In this embodiment, a laser welding machine ranging device, including main body frame 1 and second slider 2, the inside of main body frame 1 is slidably connected with second slider 2, the inside of main body frame 1 is provided with clamping mechanism 3, and clamping mechanism 3 clamps and fixes workpiece, and the lower side of second slider 2 is fixedly connected with second support 5, second slider 2 drives second support 5 to move, the inside of second support 5 is slidably connected with third slider 6, and third slider 6 slides in the inside of second support 5, and the lower side of third slider 6 is fixedly connected with support plate 7, and third slider 6 drives support plate 7 to move, and the lower side of support plate 7 is provided with adjusting mechanism 4, adjusting mechanism 4 adjusts the inclination angle of laser welding gun 11, and the inside of main body frame 1 is fixedly connected with first electric push rod 8, and the output end of first electric push rod 8 is fixedly connected with second slider 2, and first electric push rod 8 drives second slider 2 to slide;

[0026] The inside of second support 5 is fixedly connected with second electric push rod 9, the output end of second electric push rod 9 is fixedly connected with third slider 6, and second electric push rod 9 drives third slider 6 to slide, the outer wall of main body frame 1 is fixedly connected with smoke exhaust equipment 13, and the internal structure and working principle of smoke exhaust equipment 13 are same in the laser welding machine ranging device of authorized announcement No.CN222020902U, the upper side of smoke exhaust equipment 13 is fixedly connected with pipeline 14, and smoke exhaust equipment 13 is communicated with pipeline 14, the inside of main body frame 1 is provided with through hole for facilitating the passage of pipeline 14, the end of pipeline 14 is fixedly connected with feeding head 15, and feeding head 15 is communicated with pipeline 14, the outer wall of pipeline 14 is fixedly connected with the output end of fourth electric push rod 16, and fourth electric push rod 16 drives pipeline 14 to move, and pipeline 14 is composed of hard pipe and hose, the length of pipeline 14 can change, and fourth electric push rod 16 is fixedly connected in the inside of main body frame 1.

[0027] The clamping mechanism 3 comprises a first motor 301, a stud bolt 302, a threaded block 303, a first sliding block 304, a sliding rod 305, a vertical plate 306, a clamping plate 307 and a second motor 308, the first motor 301 is fixedly connected to the outer wall of the main frame 1, the output shaft of the first motor 301 is fixedly connected with the stud bolt 302, the first motor 301 drives the stud bolt 302 to rotate, the outer walls at both ends of the stud bolt 302 are rotationally connected with the main frame 1 through bearings, the outer wall of the stud bolt 302 is threadedly connected with two threaded blocks 303, the stud bolt 302 drives the two threaded blocks 303 to move, the lower portion of the threaded block 303 is fixedly connected with the first sliding block 304, the threaded block 303 drives the first sliding block 304 to move, the first sliding block 304 is slidingly connected with the outer wall of the sliding rod 305, the first sliding block 304 slides on the outer wall of the sliding rod 305, the first sliding block 304 and the sliding rod 305 guide the movement of the threaded block 303, the two ends of the sliding rod 305 are fixedly connected with the main frame 1, the upper portion of the threaded block 303 is fixedly connected with the vertical plate 306, the threaded block 303 drives the vertical plate 306 to move, the inner portion of the main frame 1 is provided with a hollow groove facilitating the movement of the vertical plate 306, the inner side of the vertical plate 306 is rotationally connected with the clamping block 307 through a bearing, the vertical plate 306 drives the clamping block 307 to move, the right clamping block 307 is fixedly connected with the output shaft of the second motor 308, the second motor 308 drives the right clamping block 307 to move, and the second motor 308 is fixedly connected to the outer wall of the right vertical plate 306.

[0028] The first motor 301 drives the stud bolt 302 to rotate, the stud bolt 302 drives the two threaded blocks 303 to move, the first sliding block 304 and the sliding rod 305 guide the movement of the threaded block 303, the threaded block 303 drives the vertical plate 306 to move, and the vertical plate 306 drives the clamping block 307 to move. The two clamping blocks 307 are in close contact with the outer wall of the workpiece to clamp and position the workpiece, the second motor 308 is started, the second motor 308 drives the right clamping block 307 to rotate, thereby driving the workpiece to rotate, and the surface of the workpiece which needs to be welded faces the laser welding gun 11, the surface of the workpiece which needs to be welded is welded by the laser welding gun 11, the operation is relatively simple, the different surfaces of the workpiece are convenient to weld, and the use performance of the laser welding machine distance measuring device is improved.

[0029] The adjusting mechanism 4 comprises two semicircular blocks 401, a first support 402, a worm 403, a rotating wheel 404, a half worm gear 405 and a fourth sliding block 406, both of the semicircular blocks 401 are fixedly connected to the lower surface of the support plate 7, the support plate 7 moves together with the two semicircular blocks 401, the outer walls of both of the semicircular blocks 401 are slidably connected with the first support 402, the first support 402 slides on the outer walls of both of the semicircular blocks 401, the inside of the first support 402 is rotatably connected with the worm 403 through a bearing, the end of the worm 403 is fixedly connected with the rotating wheel 404, the rotating wheel 404 drives the worm 403 to rotate, the worm 403 is meshingly connected with the half worm gear 405, the worm 403 drives the half worm gear 405, the front and back surfaces of the half worm gear 405 are fixedly connected with the semicircular blocks 401, the position of the half worm gear 405 is fixed relative to the two semicircular blocks 401, the half worm gear 405 is fixedly connected to the lower surface of the support plate 7, the outer wall of the first support 402 is fixedly connected with the fourth sliding block 406, the first support 402 drives the fourth sliding block 406 to move, the outer wall of the fourth sliding block 406 is slidably connected with the semicircular blocks 401, the first support 402 and the semicircular blocks 401 will not be separated under the action of the fourth sliding block 406.

[0030] The third electric push rod 10 is fixedly connected below the first support 402, the first support 402 drives the third electric push rod 10 to move, the output end of the third electric push rod 10 is fixedly connected with the laser welding gun 11, the third electric push rod 10 drives the laser welding gun 11 to move, the outer wall of the laser welding gun 11 is fixedly connected with the laser height finder 12, the laser height finder 12 measures the distance between the laser welding gun 11 and the workpiece, realizes the distance measurement of the laser welding machine, the structure and working principle of the laser welding gun 11 and the laser height finder 12 are the same as those of the distance measurement device of the laser welding machine in the authorized announcement No.CN222020902U;

[0031] The rotating wheel 404 drives the worm 403 to rotate, the worm 403 drives the half worm gear 405, the position of the half worm gear 405 is fixed, the worm 403 rotates around the outer wall of the half worm gear 405 when rotating, the worm 403 drives the first support 402 to move, the first support 402 rotates on the outer wall of the semicircular blocks 401, the first support 402 will not be separated from the semicircular blocks 401 under the action of the fourth sliding block 406, the first support 402 drives the third electric push rod 10 to move, and then drives the laser welding gun 11 to move, adjusts the inclination angle of the laser welding gun 11, stops the rotating wheel 404 after adjusting the laser welding gun 11 to the required inclination angle, which is convenient for adjusting the inclination angle of the laser welding gun 11 according to the actual welding requirement.

[0032] Working principle:

[0033] When the distance measurement device of the laser welding machine is used to weld the workpiece;

[0034] Workpiece clamping stage:

[0035] The workpiece to be welded is placed between the two clamping blocks 307, the first motor 301 is started, the first motor 301 drives the double-headed stud 302 to rotate, the double-headed stud 302 drives the two threaded blocks 303 to move, the first sliding block 304 and the slide rod 305 guide the movement of the threaded block 303, the threaded block 303 drives the vertical plate 306 to move, and the vertical plate 306 drives the clamping block 307 to move, both clamping blocks 307 are in close contact with the outer wall of the workpiece to clamp and position the workpiece;

[0036] The inclination angle adjustment stage of the laser welding gun:

[0037] When it is necessary to adjust the inclination angle of the laser welding gun 11 according to the angle at which the position to be welded on the workpiece is located, the rotating wheel 404 is rotated, the rotating wheel 404 drives the worm 403 to rotate, the worm 403 drives the half worm gear 405, the position of the half worm gear 405 is fixed, and the worm 403 rotates around the outer wall of the half worm gear 405 when rotating, the worm 403 drives the first bracket 402 to move, the first bracket 402 rotates on the outer wall of the semicircular block 401, the first bracket 402 will not be separated from the semicircular block 401 under the action of the fourth sliding block 406, the first bracket 402 drives the third electric push rod 10 to move, and further drives the laser welding gun 11 to move, thereby adjusting the inclination angle of the laser welding gun 11, and stopping rotating the rotating wheel 404 after adjusting the laser welding gun 11 to the required inclination angle, so as to adjust the inclination angle of the laser welding gun 11 according to the actual welding requirement;

[0038] The welding stage:

[0039] The third electric push rod 10 drives the laser welding gun 11 to move, adjusts the height of the laser welding gun 11 in the vertical direction, the second electric push rod 9 drives the third sliding block 6 to slide, the third sliding block 6 drives the supporting plate 7 to move, and then drives the laser welding gun 11 to move, adjusts the position of the laser welding gun 11 in the left-right direction, the first electric push rod 8 drives the second sliding block 2 to slide, the second sliding block 2 drives the second supporting frame 5 to move, and then drives the laser welding gun 11 to move, adjusts the position of the laser welding gun 11 in the front-rear direction, the laser height finder 12 measures the distance between the laser welding gun 11 and the workpiece, realizes the distance measurement of the laser welding machine, and the laser welding gun 11 welds the workpiece; when it is necessary to weld other surfaces of the workpiece, the second motor 308 is started, the second motor 308 drives the right clamping block 307 to rotate, and then drives the workpiece to rotate, so that the surface of the workpiece which needs to be welded faces the laser welding gun 11, and the surface of the workpiece which needs to be welded is welded by the laser welding gun 11; the operation is relatively simple, the different surfaces of the workpiece can be welded conveniently, and then the use performance of the distance measurement device of the laser welding machine is improved; when the workpiece rotates, the laser welding gun 11 is at a height which does not affect the rotation of the workpiece; when the workpiece is welded, the smoke exhaust equipment 13 is started during welding, the smoke generated during welding enters the inside of the feeding head 15, and then enters the inside of the smoke exhaust equipment 13 through the pipeline 14, so that the harm of the laser welding machine to the health of workers during use is greatly reduced; the fourth electric push rod 16 can adjust the position of the feeding head 15 in the left-right direction, so that the feeding head 15 is located at the welding position of the workpiece.

[0040] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A laser welding machine ranging device, comprising a main body frame (1) and a second slider (2), the second slider (2) is slidably connected inside the main body frame (1), characterized in that: The inside of the main frame (1) is provided with a clamping mechanism (3), the lower side of the second sliding block (2) is fixedly connected with a second support (5), the inside of the second support (5) is slidably connected with a third sliding block (6), the lower side of the third sliding block (6) is fixedly connected with a support plate (7), the lower side of the support plate (7) is provided with an adjusting mechanism (4), the inside of the main frame (1) is fixedly connected with a first electric push rod (8), and the output end of the first electric push rod (8) is fixedly connected with the second sliding block (2).

2. The laser welder ranging device of claim 1, wherein: The clamping mechanism (3) comprises a first motor (301) fixedly connected to the outer wall of the main frame (1), an output shaft of the first motor (301) is fixedly connected with a double-headed stud (302), the outer wall of the double-headed stud (302) is rotatably connected with the main frame (1) through bearings at both ends, the outer wall of the double-headed stud (302) is threadedly connected with two threaded blocks (303), the lower side of the threaded block (303) is fixedly connected with a first sliding block (304), the first sliding block (304) is slidably connected with the outer wall of a sliding rod (305), both ends of the sliding rod (305) are fixedly connected with the main frame (1), the upper side of the threaded block (303) is fixedly connected with a vertical plate (306), the inner side of the vertical plate (306) is rotatably connected with a clamping block (307) through a bearing, the right clamping block (307) is fixedly connected with the output shaft of a second motor (308), and the second motor (308) is fixedly connected to the outer wall of the right vertical plate (306).

3. The laser welder ranging device of claim 1, wherein: The adjusting mechanism (4) comprises a semicircular block (401), two semicircular blocks (401) are fixedly connected to the lower surface of the support plate (7), the outer walls of the two semicircular blocks (401) are slidably connected with a first support (402), the inside of the first support (402) is rotatably connected with a worm (403) through a bearing, the end of the worm (403) is fixedly connected with a rotating wheel (404), the worm (403) is meshingly connected with a half worm gear (405), the front and rear surfaces of the half worm gear (405) are fixedly connected with semicircular blocks (401), the half worm gear (405) is fixedly connected to the lower surface of the support plate (7), and the outer wall of the first support (402) is fixedly connected with a fourth sliding block (406). The outer wall of the fourth sliding block (406) is slidably connected with the semicircular block (401).

4. The laser welder ranging device of claim 1, wherein: The inside of the second support (5) is fixedly connected with a second electric push rod (9), and the output end of the second electric push rod (9) is fixedly connected with the third sliding block (6).

5. The laser welder ranging device of claim 3, wherein: The lower side of the first support (402) is fixedly connected with a third electric push rod (10), and the output end of the third electric push rod (10) is fixedly connected with a laser welding gun (11).

6. A ranging device for a laser beam welding machine as defined in claim 5, wherein: The outer wall of the laser welding gun (11) is fixedly connected with a laser height finder (12).

7. The laser welder ranging device of claim 1, wherein: The outer wall of the main frame (1) is fixedly connected with a smoke exhaust device (13), and the upper side of the smoke exhaust device (13) is fixedly connected with a pipeline (14).

8. The laser welder ranging device of claim 7, wherein: The end of the pipeline (14) is fixedly connected with a feeding head (15), and the outer wall of the pipeline (14) is fixedly connected with the output end of a fourth electric push rod (16), and the fourth electric push rod (16) is fixedly connected in the inside of the main body frame (1).

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